- Heba Group Investment
- iron ore and coltan ( tantalite ).
- Address:2520 tortosa ave., rowland heights, california, USA
- Ralph Buissreth
- Copper ore, wolframite, coltan.
- Address:10052 Montague st Tampa Florida United States
- Indy Rock Ltd
- Tantalite, Niobium, Coltan, Columbite.
- Address:65 Siaka Stevens Street Freetown Western Region, Sierra Leone United States
- E-Tradus
- Sugar, coffee, ebony, coltan, diamond, gold, copy paper, computers, Tantalite, Logs.
- Address:Two Gateway Center Suite 620
- Amre Trade Inc
- oil, coltan, gold, gum arabic.
- Address:4 Park Avenue, New York, Other, USA
- SK Consult LLC
- coltan.
- Address:554 N Frederick Ave #223 Gaithersburg MD United States
- Success International Marketing
- Gold, uncut Diamonds, Copper and Coltan.
- Address:803 9th ave N,, Sait Petersburg, Florida, USA
- Sierra Global
- coltan, rice, sugar.
- Address:8362 Tamarack Village, Suite 119-118, Saint Paul, Minnesota, USA
- Welco International Inc.
- Coal, Tatalum, Coltan.
- Address:397 N. Sam Houston Parkway East Houston Texas 77060 United States
- Global Enterprise Ltd
- Gold, rough diamonds, copper cathode, coltan, gold cars.
- Address:24 Union Square, Union City, CA, United States ? CA CA United States
- SWISS NETWORK INC.
- COBALT,COPPER,COLTAN,GOLD,DIAMOND.
- Address:6 ames avenue
- Ajmc
- Coltan.
- Address:15411 Valerio St Van Nuys CA 91406 United States
- Minerals of the World.
- coltan, tantalum, niobium.
- Address:184 north king road San Jose California 95116 United States
- King Hachen International, LLC
- coltan.
- Address:18331 Pines Blvd. #272 Pembroke Pines FL 33029 United States
- RELAX INC
- mineral (copper, gold, diamonds, coltan).
- Address:30 Ames Ave, Rutherford, New Jersey, USA
- Delight Aquarium Inc.
- Uncut Diamond, Coltan.
- Address:3013 Piano Lane
- Highland Irons
- Columbite, Tantalite, Coltan, Zircon, Tin, Iron Ore.
- Address:15833 W 11 Mile Rd Southfield MI United States
- Monlyn
- Coltan, Tantalum.
- Address:13 Syke Street Freeyown Sierra Leone United States
- Mineral International Services S.A.
- Coal Coltan.
- Address:Po Del Mirador 36 Navalagamella Madrid 28212 United States
- Blu Gold Commodity Exports
- Minerals from South America,Coltan.
- Address:3816 Audley St